<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>

  <p>
    <progress id="uploadProgress" value="0"></progress>
  </p>
  <p>
    <input type="file" id="uploadInput" value="选择视频" />
  </p>
  <p>
    <span id="uploadInfo"></span>
  </p>
  <p>
    <button id="uploadBtn">上传视频</button>
  </p>

  
  <script src="./src/app.js" type="module"></script>
</body>
</html>